113188 has 6 divisors (see below), whose sum is σ = 198086. Its totient is φ = 56592.

The previous prime is 113177. The next prime is 113189. The reversal of 113188 is 881311.

It can be written as a sum of positive squares in only one way, i.e., 73984 + 39204 = 272^2 + 198^2 .

It is not an unprimeable number, because it can be changed into a prime (113189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14145 + ... + 14152.

2¹¹³¹⁸⁸ is an apocalyptic number.

It is an amenable number.

113188 is a deficient number, since it is larger than the sum of its proper divisors (84898).

113188 is a wasteful number, since it uses less digits than its factorization.

113188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28301 (or 28299 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

The square root of 113188 is about 336.4342432036. The cubic root of 113188 is about 48.3726777012.

Adding to 113188 its reverse (881311), we get a palindrome (994499).

The spelling of 113188 in words is "one hundred thirteen thousand, one hundred eighty-eight".